GPS is a location north or south of a set location

#!/bin/bash
#Script which determinesif a location is north or south
#of another location

if [ "$#" -lt 1 ]
then
  echo "input error"
  echo "usage: $0 <adderss>"
  echo "example usage: $0 '123 5th Ave S Naples FL'"
  exit 1
fi

#set station's Lat
s="26.181617"

#Get Call's Lat
address=$1
c="$(wget -O- -q "https://maps.googleapis.com/maps/api/geocode/json?address=$address"|\
  grep '"lat"'|head -n1|awk '{print $3}'|cut -d\, -f1)"

#Determine
if (( $(bc <<< "$s < $c") ));
then
  echo "North";
else
  echo "Greater";
fi